Hi Miyru,
   I think we can intercept the Carbon context by writing a dispatch in
DispatchPhase this can be a component whose suppose to resides outside
synapse.


Cheers
Dushan


On Fri, Jul 12, 2013 at 9:58 AM, Afkham Azeez <[email protected]> wrote:

>
>
>
> On Fri, Jul 12, 2013 at 9:54 AM, Miyuru Wanninayaka <[email protected]>wrote:
>
>>
>>
>> On Fri, Jul 12, 2013 at 9:36 AM, Afkham Azeez <[email protected]> wrote:
>>
>>>
>>>
>>>
>>> On Fri, Jul 12, 2013 at 7:28 AM, Miyuru Wanninayaka <[email protected]>wrote:
>>>
>>>> Hi Azeez,
>>>>
>>>> Sorry, we were not properly following dev@ discussions recently as
>>>> team was very busy with ESB 4.7 release.
>>>>
>>>> Yes we can set proper CC as thread local in request path via handler
>>>> for NIO transports by looking at To address. But how this can implement in
>>>> generic manner for other transport ( JMS, VFS....). May be since other
>>>> transports does not support MT anyway, we can always set ST CC for non http
>>>> transports?
>>>>
>>>> Also how we can handle thread switching in response path of NIO?
>>>> Handler will not help in response path.
>>>>
>>>> Also there are some mediation threads spawns within synapse without
>>>> going through axis2 flow such as
>>>> * Synapse tasks
>>>> * Message processors
>>>> * Priority executors
>>>> * Clone and iterate mediators
>>>>
>>>> How can we set CC in these cases?
>>>
>>>
>>> Any bit of execution has to to be associated with some tenant. It is
>>> true for everything listed above. We need to track things like how much CPU
>>> time each tenant consumed and so on. So you need to identify the relevant
>>> plug points, and inject the proper CC.
>>>
>>
>> Only problem is above mentioned flows cannot intercept from outside of
>> synapse. In such case do we have alternative than writing carbon specific
>> code inside synapse?
>>
>
>
> No. This is why interfaces are needed. We have done this enough & more
> time for Axis2, without writing WSO2 specific code in Axis2.
>
>
>>
>>>
>>>>
>>>>
>>>> On Thu, Jul 11, 2013 at 9:50 PM, Afkham Azeez <[email protected]> wrote:
>>>>
>>>>>
>>>>>
>>>>>
>>>>> On Thu, Jul 11, 2013 at 7:59 PM, Miyuru Wanninayaka 
>>>>> <[email protected]>wrote:
>>>>>
>>>>>> ESB does not sets Carbon Context as thread local because PTT/NHTTP
>>>>>> threads are totally under synapse. AFIK only servlet transport sets CC 
>>>>>> as a
>>>>>> thread local.
>>>>>>
>>>>>> In 4.1.0 branch this is working fine without setting CC as thread
>>>>>> local. Did something changed in trunk?
>>>>>
>>>>>
>>>>> Please keep yourself up to date on what is going on at the platform
>>>>> level. Platform level enhancements have an effect on all products. There
>>>>> have been several mail threads on this. you should be able to define a
>>>>> handler which sets the proper CC into the Thread.
>>>>>
>>>>>>
>>>>>>
>>>>>> On Thu, Jul 11, 2013 at 7:49 PM, Amila Suriarachchi 
>>>>>> <[email protected]>wrote:
>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> On Thu, Jul 11, 2013 at 7:31 PM, Miyuru Wanninayaka <[email protected]
>>>>>>> > wrote:
>>>>>>>
>>>>>>>> Hi Amila,
>>>>>>>>
>>>>>>>> Are you referring to CarbonContext thread local variable?
>>>>>>>
>>>>>>>
>>>>>>> yes it gets the tenant domain like this
>>>>>>>
>>>>>>> public static String getTenantDomain() {
>>>>>>>         return getCarbonContext().getTenantDomain();
>>>>>>>     }
>>>>>>>
>>>>>>> thanks,
>>>>>>> Amila.
>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> On Thu, Jul 11, 2013 at 6:27 PM, Amila Suriarachchi <[email protected]
>>>>>>>> > wrote:
>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> On Thu, Jul 11, 2013 at 4:40 PM, Dushan Abeyruwan <[email protected]
>>>>>>>>> > wrote:
>>>>>>>>>
>>>>>>>>>> Hi
>>>>>>>>>>  Getting following error when executing proxy service ESB 4.8.0
>>>>>>>>>> built 2013-07-11
>>>>>>>>>>
>>>>>>>>>> [2013-07-11 16:37:22,177]  INFO - ProxyService Building Axis
>>>>>>>>>> service for Proxy service : SearchTwitter
>>>>>>>>>> [2013-07-11 16:37:22,177]  INFO - ProxyService Adding service
>>>>>>>>>> SearchTwitter to the Axis2 configuration
>>>>>>>>>> [2013-07-11 16:37:22,182]  INFO - DeploymentInterceptor Deploying
>>>>>>>>>> Axis2 service: SearchTwitter {super-tenant}
>>>>>>>>>> [2013-07-11 16:37:22,208]  INFO - ProxyService Successfully
>>>>>>>>>> created the Axis2 service for Proxy service : SearchTwitter
>>>>>>>>>> [2013-07-11 16:37:29,694]  INFO - LogMediator To:
>>>>>>>>>> /services/SearchTwitter, WSAction: urn:getQuote, SOAPAction: 
>>>>>>>>>> urn:getQuote,
>>>>>>>>>> MessageID: urn:uuid:6421430e-e95c-4aa2-a9ba-f*cd37f7753e3,
>>>>>>>>>> Direction: request*
>>>>>>>>>> *[2013-07-11 16:37:29,695] ERROR - NativeWorkerPool Uncaught
>>>>>>>>>> exception*
>>>>>>>>>> *java.lang.NullPointerException*
>>>>>>>>>> * at
>>>>>>>>>> java.util.concurrent.ConcurrentHashMap.get(ConcurrentHashMap.java:768)
>>>>>>>>>> *
>>>>>>>>>> * at
>>>>>>>>>> org.wso2.carbon.caching.impl.CacheManagerFactoryImpl.getCacheManager(CacheManagerFactoryImpl.java:78)
>>>>>>>>>> *
>>>>>>>>>> at
>>>>>>>>>> org.wso2.carbon.registry.core.utils.RegistryUtils.getCacheManager(RegistryUtils.java:289)
>>>>>>>>>>  at
>>>>>>>>>> org.wso2.carbon.registry.core.utils.RegistryUtils.getResourceCache(RegistryUtils.java:272)
>>>>>>>>>> at
>>>>>>>>>> org.wso2.carbon.registry.core.caching.CacheBackedRegistry.getCache(CacheBackedRegistry.java:62)
>>>>>>>>>>  at
>>>>>>>>>> org.wso2.carbon.registry.core.caching.CacheBackedRegistry.resourceExists(CacheBackedRegistry.java:246)
>>>>>>>>>> at
>>>>>>>>>> org.wso2.carbon.registry.core.session.UserRegistry.resourceExists(UserRegistry.java:629)
>>>>>>>>>>  at
>>>>>>>>>> org.wso2.carbon.mediation.registry.WSO2Registry.getResource(WSO2Registry.java:527)
>>>>>>>>>> at
>>>>>>>>>> org.wso2.carbon.mediation.registry.WSO2Registry.lookup(WSO2Registry.java:131)
>>>>>>>>>>  at
>>>>>>>>>> org.apache.synapse.registry.AbstractRegistry.getResource(AbstractRegistry.java:63)
>>>>>>>>>> at
>>>>>>>>>> org.apache.synapse.config.SynapseConfiguration.getSequenceTemplate(SynapseConfiguration.java:395)
>>>>>>>>>>  at
>>>>>>>>>> org.apache.synapse.core.axis2.Axis2MessageContext.getSequenceTemplate(Axis2MessageContext.java:191)
>>>>>>>>>> at
>>>>>>>>>> org.apache.synapse.mediators.template.InvokeMediator.mediate(InvokeMediator.java:71)
>>>>>>>>>>  at
>>>>>>>>>> org.apache.synapse.mediators.AbstractListMediator.mediate(AbstractListMediator.java:71)
>>>>>>>>>> at
>>>>>>>>>> org.apache.synapse.mediators.base.SequenceMediator.mediate(SequenceMediator.java:114)
>>>>>>>>>>  at
>>>>>>>>>> org.apache.synapse.core.axis2.ProxyServiceMessageReceiver.receive(ProxyServiceMessageReceiver.java:162)
>>>>>>>>>> at org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:180)
>>>>>>>>>>  at
>>>>>>>>>> org.apache.synapse.transport.passthru.ServerWorker.processEntityEnclosingRequest(ServerWorker.java:404)
>>>>>>>>>> at
>>>>>>>>>> org.apache.synapse.transport.passthru.ServerWorker.run(ServerWorker.java:184)
>>>>>>>>>>  at
>>>>>>>>>> org.apache.axis2.transport.base.threads.NativeWorkerPool$1.run(Nat
>>>>>>>>>>
>>>>>>>>>
>>>>>>>>> seems like tenant domain is null for the threads originating from
>>>>>>>>> passthrough transport threads. Can you please check the tenant domain 
>>>>>>>>> of
>>>>>>>>> the pass through transport threads?
>>>>>>>>>
>>>>>>>>> thanks,
>>>>>>>>> Amila.
>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> --
>>>>>>>>>> Dushan Abeyruwan
>>>>>>>>>> Associate Tech Lead
>>>>>>>>>> *Integration Technologies Team*
>>>>>>>>>> *WSO2 Inc. http://wso2.com/*
>>>>>>>>>> *Mobile:(+94)714408632*
>>>>>>>>>>
>>>>>>>>>> _______________________________________________
>>>>>>>>>> Dev mailing list
>>>>>>>>>> [email protected]
>>>>>>>>>> http://wso2.org/cgi-bin/mailman/listinfo/dev
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> --
>>>>>>>>> *Amila Suriarachchi*
>>>>>>>>>
>>>>>>>>> Software Architect
>>>>>>>>> WSO2 Inc. ; http://wso2.com
>>>>>>>>> lean . enterprise . middleware
>>>>>>>>>
>>>>>>>>> phone : +94 71 3082805
>>>>>>>>>
>>>>>>>>> _______________________________________________
>>>>>>>>> Dev mailing list
>>>>>>>>> [email protected]
>>>>>>>>> http://wso2.org/cgi-bin/mailman/listinfo/dev
>>>>>>>>>
>>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> --
>>>>>>>> Miyuru Wanninayaka
>>>>>>>> Technical Lead
>>>>>>>> WSO2 Inc. : http://wso2.com
>>>>>>>>
>>>>>>>> Mobile : +94 77 209 9788
>>>>>>>> Blog : http://miyurudw.blogspot.com
>>>>>>>> Flickr : http://www.flickr.com/photos/miyuru_daminda
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> --
>>>>>>> *Amila Suriarachchi*
>>>>>>>
>>>>>>> Software Architect
>>>>>>> WSO2 Inc. ; http://wso2.com
>>>>>>> lean . enterprise . middleware
>>>>>>>
>>>>>>> phone : +94 71 3082805
>>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> --
>>>>>> Miyuru Wanninayaka
>>>>>> Technical Lead
>>>>>> WSO2 Inc. : http://wso2.com
>>>>>>
>>>>>> Mobile : +94 77 209 9788
>>>>>> Blog : http://miyurudw.blogspot.com
>>>>>> Flickr : http://www.flickr.com/photos/miyuru_daminda
>>>>>>
>>>>>> _______________________________________________
>>>>>> Dev mailing list
>>>>>> [email protected]
>>>>>> http://wso2.org/cgi-bin/mailman/listinfo/dev
>>>>>>
>>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> *Afkham Azeez*
>>>>> Director of Architecture; WSO2, Inc.; http://wso2.com
>>>>> Member; Apache Software Foundation; http://www.apache.org/
>>>>> * <http://www.apache.org/>**
>>>>> email: **[email protected]* <[email protected]>* cell: +94 77 3320919
>>>>> blog: **http://blog.afkham.org* <http://blog.afkham.org>*
>>>>> twitter: 
>>>>> **http://twitter.com/afkham_azeez*<http://twitter.com/afkham_azeez>
>>>>> *
>>>>> linked-in: **http://lk.linkedin.com/in/afkhamazeez*
>>>>> *
>>>>> *
>>>>> *Lean . Enterprise . Middleware*
>>>>>
>>>>
>>>>
>>>>
>>>> --
>>>> Miyuru Wanninayaka
>>>> Technical Lead
>>>> WSO2 Inc. : http://wso2.com
>>>>
>>>> Mobile : +94 77 209 9788
>>>> Blog : http://miyurudw.blogspot.com
>>>> Flickr : http://www.flickr.com/photos/miyuru_daminda
>>>>
>>>
>>>
>>>
>>> --
>>> *Afkham Azeez*
>>> Director of Architecture; WSO2, Inc.; http://wso2.com
>>> Member; Apache Software Foundation; http://www.apache.org/
>>> * <http://www.apache.org/>**
>>> email: **[email protected]* <[email protected]>* cell: +94 77 3320919
>>> blog: **http://blog.afkham.org* <http://blog.afkham.org>*
>>> twitter: **http://twitter.com/afkham_azeez*<http://twitter.com/afkham_azeez>
>>> *
>>> linked-in: **http://lk.linkedin.com/in/afkhamazeez*
>>> *
>>> *
>>> *Lean . Enterprise . Middleware*
>>>
>>
>>
>>
>> --
>> Miyuru Wanninayaka
>> Technical Lead
>> WSO2 Inc. : http://wso2.com
>>
>> Mobile : +94 77 209 9788
>> Blog : http://miyurudw.blogspot.com
>> Flickr : http://www.flickr.com/photos/miyuru_daminda
>>
>
>
>
> --
> *Afkham Azeez*
> Director of Architecture; WSO2, Inc.; http://wso2.com
> Member; Apache Software Foundation; http://www.apache.org/
> * <http://www.apache.org/>**
> email: **[email protected]* <[email protected]>* cell: +94 77 3320919
> blog: **http://blog.afkham.org* <http://blog.afkham.org>*
> twitter: **http://twitter.com/afkham_azeez*<http://twitter.com/afkham_azeez>
> *
> linked-in: **http://lk.linkedin.com/in/afkhamazeez*
> *
> *
> *Lean . Enterprise . Middleware*
>
> _______________________________________________
> Dev mailing list
> [email protected]
> http://wso2.org/cgi-bin/mailman/listinfo/dev
>
>


-- 
Dushan Abeyruwan
Associate Tech Lead
*Integration Technologies Team*
*WSO2 Inc. http://wso2.com/*
*Mobile:(+94)714408632*
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